2001

3.8

1999

7.5

1992

6.9

2003

3.1

2024

6.8

2003

5.1

1988

5.0

2006

5.3

2016

0.0

2001

6.1

1994

5.7

1998

6.4

1997

7.6

1970

3.0

2007

4.8

1985

6.1

1969

6.8

1982

1.0

1991

5.9

1990

6.8